An alkene on ozonolysis gives methanal as one of the products. Its structure is:

1.		2.
3.		4.

Which of the following alkane cannot be made in good yield by Wurtz reaction?

Which of the following statement(s) is/are correct about the elimination reaction of 2-Bromopentane to form pent-2-ene:
a. $\mathrm{\beta }$-Elimination reaction
b. Follows Zaitsev rule
c. Dehydrohalogenation reaction
d. Dehydration reaction

Which of the following is a free radical substitution reaction?

1. Benzene with Br₂/AlCl₃

2. Acetylene with HBr

3. Methane with Br₂/hv

4. Propene with HBr/(C₆H₅COO)₂

In the following reaction,

\( CH_{3}C\equiv CH\xrightarrow[Red \ hot \ iron \ tube]{873 K} \ A\)

The number of ($\sigma$) bonds present in the product (A) is:

1. 21 

2. 9

3. 24

4. 18

The alkane that gives only one monochloro product on chlorination with $C{l}_2$ in presence of diffused sunlight is-

The reagent that can be used to distinguish between 1-butyne and 2-butyne is:
1.  HCl
2.  $O_2$
3.  $B{r}_2$
4.  $NaN{H}_2$

The increasing order of electrophilic substitution for the following compounds is:

In Friedel craft reaction, Toluene can be prepared by:

1. C₆H₆ + CH₃Cl

2. C₆H₅Cl + CH₄

3. C₆H₆ + CH₂Cl₂

4. C₆H₆ + CH₃COCl

The reagent used to convert propene to 1-propanol is:

1. H₂O, H₂SO₄

2. B₂H₆, H₂O₂, OH^–

3. Hg(OAc)₂, NaBH₄/H₂O

4. Aq. KOH